javascript
/
three.js
oglindă de https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js - materials - video</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
		<style type="text/css">
			body {
				font-family: Monospace;
				background-color: #f0f0f0;
				margin: 0px;
				overflow: hidden;
			}
		</style>
	</head>
	<body>

		<script type="text/javascript" src="http://github.com/mrdoob/stats.js/raw/master/build/stats.js"></script>
		<script type="text/javascript" src="../build/three.js"></script>

		<script type="text/javascript" src="primitives/Plane.js"></script>

		<video id="video" autoplay style="display:none">
			<source src="textures/sintel.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
			<source src="textures/sintel.ogv" type='video/ogg; codecs="theora, vorbis"'>
		</video>

		<script type="text/javascript">

			var SCREEN_WIDTH = window.innerWidth;
			var SCREEN_HEIGHT = window.innerHeight;
			var AMOUNT = 100;

			var container, stats;

			var camera, scene, renderer;

			var video, texture, textureContext,
			textureReflection, textureReflectionContext, textureReflectionGradient;

			var mesh;

			var mouseX = 0;
			var mouseY = 0;

			var windowHalfX = window.innerWidth >> 1;
			var windowHalfY = window.innerHeight >> 1;


			document.addEventListener('mousemove', onDocumentMouseMove, false);

			init();
			setInterval(loop, 1000/60);


			function init() {

				container = document.createElement('div');
				document.body.appendChild(container);

				var info = document.createElement('div');
				info.style.position = 'absolute';
				info.style.top = '10px';
				info.style.width = '100%';
				info.style.textAlign = 'center';
				info.innerHTML = '<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - video demo. playing <a href="http://durian.blender.org/" target="_blank">sintel</a> trailer';
				container.appendChild(info);

				camera = new THREE.Camera( 45, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
				camera.position.z = 1000;

				scene = new THREE.Scene();

				video = document.getElementById( 'video' );

				// 

				texture = document.createElement( 'canvas' );
				texture.width = 480;
				texture.height = 204;

				textureContext = texture.getContext( '2d' );
				textureContext.fillStyle = '#000000';
				textureContext.fillRect( 0, 0, 480, 204 );

				var material = new THREE.BitmapUVMappingMaterial( texture );

				textureReflection = document.createElement( 'canvas' );
				textureReflection.width = 480;
				textureReflection.height = 204;

				textureReflectionContext = textureReflection.getContext( '2d' );
				textureReflectionContext.fillStyle = '#000000';
				textureReflectionContext.fillRect( 0, 0, 480, 204 );

				textureReflectionGradient = textureReflectionContext.createLinearGradient( 0, 0, 0, 204 );
				textureReflectionGradient.addColorStop( 0.2, 'rgba(240, 240, 240, 1)' );
				textureReflectionGradient.addColorStop( 1, 'rgba(240, 240, 240, 0.8)' );

				var materialReflection = new THREE.BitmapUVMappingMaterial( textureReflection );

				//

				var plane = new Plane( 480, 204, 4, 4 );

				mesh = new THREE.Mesh( plane, material );
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 1.5;
				mesh.overdraw = true;
				scene.add(mesh);

				mesh = new THREE.Mesh( plane, materialReflection );
				mesh.position.y = -306;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 1.5;
				mesh.rotation.x = 180 * Math.PI / 180;
				mesh.doubleSided = true;
				mesh.overdraw = true;
				scene.add(mesh);

				//

				var separation = 150;
				var amountx = 10;
				var amounty = 10;

				var material = new THREE.ColorFillMaterial(0x808080);

				for (var ix = 0; ix < amountx; ix++) {

					for(var iy = 0; iy < amounty; iy++) {

						particle = new THREE.Particle( material );
						particle.position.x = ix * separation - ((amountx * separation) / 2);
						particle.position.y = -153
						particle.position.z = iy * separation - ((amounty * separation) / 2);
						scene.add( particle );
					}
				}

				renderer = new THREE.CanvasRenderer();
				renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);

				container.appendChild(renderer.domElement);

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				container.appendChild(stats.domElement);

			}

			function onDocumentMouseMove(event) {

				mouseX = (event.clientX - windowHalfX);
				mouseY = (event.clientY - windowHalfY) * .2;

			}

			function loop() {

				camera.position.x += (mouseX - camera.position.x) * .05;
				camera.position.y += (-mouseY - camera.position.y) * .05;

				if (video.readyState === video.HAVE_ENOUGH_DATA) {

					textureContext.drawImage( video, 0, 0 );
				}

				textureReflectionContext.drawImage( texture, 0, 0 );
				textureReflectionContext.fillStyle = textureReflectionGradient;
				textureReflectionContext.fillRect(0, 0, 480, 204);

				renderer.render(scene, camera);
				stats.update();

			}


		</script>

	</body>
</html>